`@Serializer(forClass)` also seems to not work rig...

# serialization

[diesieben07]

@Serializer(forClass) also seems to not work right. I have a third party data class, but I keep getting an exception in the compiler telling me that the data class has constructor parameters which are not properties (which is not true). If I use @Serializer(forClass) with a third-party enum class, I get a very strange error: IDE and the gradle compile tell me that the object needs to implement the methods from KSerializer (which I didn't even implement, so clearly the plugin did something).